/Engine/Plugins/Runtime/CommonUI/Source/CommonUI/Public/CommonActionHandlerInterface.h
This will trigger the first input action based on input action data and the hold action flag
void TriggerFirstMatchingInputAction ( int32 ControllerId, const [FCommonInputActionDataBase](API\Plugins\CommonUI\FCommonInputActionDataBase) & InInputActionData, bool bHoldAction )